NU421M SKF bearing

Bearing NU 421 M Bearing NU 421 M

Cylindrical roller bearings, single row NU 421 M

Bearing number : NU 421 M

Size (mm) : 105x260x60

Brand : SKF

Bore Diameter (mm) : 105

Outer Diameter (mm) : 260

Width (mm) : 60

Bearing dimensions and specification in SKF catalogue:

d - 105 mm

D - 260 mm

B - 60 mm

D1 - - 206.3 mm

F - 144.5 mm

r1,2 - min. - 4 mm

r3,4 - min. - 4 mm

s - 4.9 mm

da - min. - 124 mm

da - max. - 140 mm

db - min. - 147 mm

Da - max. - 241 mm

ra - max. - 3 mm

rb - max. - 3 mm

Basic dynamic load rating - C - 501 kN

Basic static load rating - C0 - 570 kN

Fatigue load limit - Pu - 64 kN

Reference speed - 2800 r/min

Limiting speed - 3400 r/min

Calculation factor - kr - 0.15

Mass bearing - 17.27 kg

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